?? unit1.pas
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///////////////////////////////////////////////////////////////////////////////
//AES DEMO V1.0//
//作者：ksaiy//
//歡迎使用由ksaiy制作的AES加密算法演示程序，此算法為標準的AES算法，你可以根據的
//的自己需要進行變形。具體怎么操作可以登錄我們的網站查詢詳細的資料。我們專門為軟
//件開發者提供軟件加密安全測試服務和軟件加密解決方案，具體的可以參看我們的網站上
//的資料。我們的網站：http://www.ksaiy.com http://www.magicoa.com
//技術支持:ksaiy@sina.com 在線QQ：40188696 UC：934155
//End //
//注意：轉載請保留以上信息。//
///////////////////////////////////////////////////////////////////////////////
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm1 = class(TForm)
Label1: TLabel;
Label2: TLabel;
Label3: TLabel;
Edit1: TEdit;
Edit2: TEdit;
Button1: TButton;
Button2: TButton;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
type
EAESError = class(Exception);
PInteger = ^Integer;
TAESBuffer = array [0..15] of byte;
TAESKey128 = array [0..15] of byte;
TAESKey192 = array [0..23] of byte;
TAESKey256 = array [0..31] of byte;
TAESExpandedKey128 = array [0..43] of longword;
TAESExpandedKey192 = array [0..53] of longword;
TAESExpandedKey256 = array [0..63] of longword;
PAESBuffer =^TAESBuffer;
PAESKey128 =^TAESKey128;
PAESKey192 =^TAESKey192;
PAESKey256 =^TAESKey256;
PAESExpandedKey128 =^TAESExpandedKey128;
PAESExpandedKey192 =^TAESExpandedKey192;
PAESExpandedKey256 =^TAESExpandedKey256;
procedure ExpandAESKeyForEncryption(const Key: TAESKey128;
var ExpandedKey: TAESExpandedKey128); overload;
procedure ExpandAESKeyForEncryption(const Key: TAESKey192;
var ExpandedKey: TAESExpandedKey192); overload;
procedure ExpandAESKeyForEncryption(const Key: TAESKey256;
var ExpandedKey: TAESExpandedKey256); overload;
procedure EncryptAES(const InBuf: TAESBuffer; const Key: TAESExpandedKey128;
var OutBuf: TAESBuffer); overload;
procedure EncryptAES(const InBuf: TAESBuffer; const Key: TAESExpandedKey192;
var OutBuf: TAESBuffer); overload;
procedure EncryptAES(const InBuf: TAESBuffer; const Key: TAESExpandedKey256;
var OutBuf: TAESBuffer); overload;
procedure EncryptAESStreamECB(Source: TStream; Count: cardinal;
const Key: TAESKey128; Dest: TStream); overload;
procedure EncryptAESStreamECB(Source: TStream; Count: cardinal;
const ExpandedKey: TAESExpandedKey128; Dest: TStream); overload;
procedure EncryptAESStreamECB(Source: TStream; Count: cardinal;
const Key: TAESKey192; Dest: TStream); overload;
procedure EncryptAESStreamECB(Source: TStream; Count: cardinal;
const ExpandedKey: TAESExpandedKey192; Dest: TStream); overload;
procedure EncryptAESStreamECB(Source: TStream; Count: cardinal;
const Key: TAESKey256; Dest: TStream); overload;
procedure EncryptAESStreamECB(Source: TStream; Count: cardinal;
const ExpandedKey: TAESExpandedKey256; Dest: TStream); overload;
procedure EncryptAESStreamCBC(Source: TStream; Count: cardinal;
const Key: TAESKey128; const InitVector: TAESBuffer; Dest: TStream); overload;
procedure EncryptAESStreamCBC(Source: TStream; Count: cardinal;
const ExpandedKey: TAESExpandedKey128; const InitVector: TAESBuffer;
Dest: TStream); overload;
procedure EncryptAESStreamCBC(Source: TStream; Count: cardinal;
const Key: TAESKey192; const InitVector: TAESBuffer; Dest: TStream); overload;
procedure EncryptAESStreamCBC(Source: TStream; Count: cardinal;
const ExpandedKey: TAESExpandedKey192; const InitVector: TAESBuffer;
Dest: TStream); overload;
procedure EncryptAESStreamCBC(Source: TStream; Count: cardinal;
const Key: TAESKey256; const InitVector: TAESBuffer; Dest: TStream); overload;
procedure EncryptAESStreamCBC(Source: TStream; Count: cardinal;
const ExpandedKey: TAESExpandedKey256; const InitVector: TAESBuffer;
Dest: TStream); overload;
procedure ExpandAESKeyForDecryption(var ExpandedKey: TAESExpandedKey128); overload;
procedure ExpandAESKeyForDecryption(const Key: TAESKey128;
var ExpandedKey: TAESExpandedKey128); overload;
procedure ExpandAESKeyForDecryption(var ExpandedKey: TAESExpandedKey192); overload;
procedure ExpandAESKeyForDecryption(const Key: TAESKey192;
var ExpandedKey: TAESExpandedKey192); overload;
procedure ExpandAESKeyForDecryption(var ExpandedKey: TAESExpandedKey256); overload;
procedure ExpandAESKeyForDecryption(const Key: TAESKey256;
var ExpandedKey: TAESExpandedKey256); overload;
procedure DecryptAES(const InBuf: TAESBuffer; const Key: TAESExpandedKey128;
var OutBuf: TAESBuffer); overload;
procedure DecryptAES(const InBuf: TAESBuffer; const Key: TAESExpandedKey192;
var OutBuf: TAESBuffer); overload;
procedure DecryptAES(const InBuf: TAESBuffer; const Key: TAESExpandedKey256;
var OutBuf: TAESBuffer); overload;
procedure DecryptAESStreamECB(Source: TStream; Count: cardinal;
const Key: TAESKey128; Dest: TStream); overload;
procedure DecryptAESStreamECB(Source: TStream; Count: cardinal;
const ExpandedKey: TAESExpandedKey128; Dest: TStream); overload;
procedure DecryptAESStreamECB(Source: TStream; Count: cardinal;
const Key: TAESKey192; Dest: TStream); overload;
procedure DecryptAESStreamECB(Source: TStream; Count: cardinal;
const ExpandedKey: TAESExpandedKey192; Dest: TStream); overload;
procedure DecryptAESStreamECB(Source: TStream; Count: cardinal;
const Key: TAESKey256; Dest: TStream); overload;
procedure DecryptAESStreamECB(Source: TStream; Count: cardinal;
const ExpandedKey: TAESExpandedKey256; Dest: TStream); overload;
procedure DecryptAESStreamCBC(Source: TStream; Count: cardinal;
const Key: TAESKey128; const InitVector: TAESBuffer; Dest: TStream); overload;
procedure DecryptAESStreamCBC(Source: TStream; Count: cardinal;
const ExpandedKey: TAESExpandedKey128; const InitVector: TAESBuffer;
Dest: TStream); overload;
procedure DecryptAESStreamCBC(Source: TStream; Count: cardinal;
const Key: TAESKey192; const InitVector: TAESBuffer; Dest: TStream); overload;
procedure DecryptAESStreamCBC(Source: TStream; Count: cardinal;
const ExpandedKey: TAESExpandedKey192; const InitVector: TAESBuffer;
Dest: TStream); overload;
procedure DecryptAESStreamCBC(Source: TStream; Count: cardinal;
const Key: TAESKey256; const InitVector: TAESBuffer; Dest: TStream); overload;
procedure DecryptAESStreamCBC(Source: TStream; Count: cardinal;
const ExpandedKey: TAESExpandedKey256; const InitVector: TAESBuffer;
Dest: TStream); overload;
resourcestring
SInvalidInBufSize = 'Invalid buffer size for decryption';
SReadError = 'Stream read error';
SWriteError = 'Stream write error';
var
Form1: TForm1;
implementation
{$R *.dfm}
type
PLongWord = ^LongWord;
function Min(A, B: integer): integer;
begin
if A < B then
Result := A
else
Result := B;
end;
const
Rcon: array [1..30] of longword = (
$00000001, $00000002, $00000004, $00000008, $00000010, $00000020,
$00000040, $00000080, $0000001B, $00000036, $0000006C, $000000D8,
$000000AB, $0000004D, $0000009A, $0000002F, $0000005E, $000000BC,
$00000063, $000000C6, $00000097, $00000035, $0000006A, $000000D4,
$000000B3, $0000007D, $000000FA, $000000EF, $000000C5, $00000091
);
ForwardTable: array [0..255] of longword = (
$A56363C6, $847C7CF8, $997777EE, $8D7B7BF6, $0DF2F2FF, $BD6B6BD6, $B16F6FDE, $54C5C591,
$50303060, $03010102, $A96767CE, $7D2B2B56, $19FEFEE7, $62D7D7B5, $E6ABAB4D, $9A7676EC,
$45CACA8F, $9D82821F, $40C9C989, $877D7DFA, $15FAFAEF, $EB5959B2, $C947478E, $0BF0F0FB,
$ECADAD41, $67D4D4B3, $FDA2A25F, $EAAFAF45, $BF9C9C23, $F7A4A453, $967272E4, $5BC0C09B,
$C2B7B775, $1CFDFDE1, $AE93933D, $6A26264C, $5A36366C, $413F3F7E, $02F7F7F5, $4FCCCC83,
$5C343468, $F4A5A551, $34E5E5D1, $08F1F1F9, $937171E2, $73D8D8AB, $53313162, $3F15152A,
$0C040408, $52C7C795, $65232346, $5EC3C39D, $28181830, $A1969637, $0F05050A, $B59A9A2F,
$0907070E, $36121224, $9B80801B, $3DE2E2DF, $26EBEBCD, $6927274E, $CDB2B27F, $9F7575EA,
$1B090912, $9E83831D, $742C2C58, $2E1A1A34, $2D1B1B36, $B26E6EDC, $EE5A5AB4, $FBA0A05B,
$F65252A4, $4D3B3B76, $61D6D6B7, $CEB3B37D, $7B292952, $3EE3E3DD, $712F2F5E, $97848413,
$F55353A6, $68D1D1B9, $00000000, $2CEDEDC1, $60202040, $1FFCFCE3, $C8B1B179, $ED5B5BB6,
$BE6A6AD4, $46CBCB8D, $D9BEBE67, $4B393972, $DE4A4A94, $D44C4C98, $E85858B0, $4ACFCF85,
$6BD0D0BB, $2AEFEFC5, $E5AAAA4F, $16FBFBED, $C5434386, $D74D4D9A, $55333366, $94858511,
$CF45458A, $10F9F9E9, $06020204, $817F7FFE, $F05050A0, $443C3C78, $BA9F9F25, $E3A8A84B,
$F35151A2, $FEA3A35D, $C0404080, $8A8F8F05, $AD92923F, $BC9D9D21, $48383870, $04F5F5F1,
$DFBCBC63, $C1B6B677, $75DADAAF, $63212142, $30101020, $1AFFFFE5, $0EF3F3FD, $6DD2D2BF,
$4CCDCD81, $140C0C18, $35131326, $2FECECC3, $E15F5FBE, $A2979735, $CC444488, $3917172E,
$57C4C493, $F2A7A755, $827E7EFC, $473D3D7A, $AC6464C8, $E75D5DBA, $2B191932, $957373E6,
$A06060C0, $98818119, $D14F4F9E, $7FDCDCA3, $66222244, $7E2A2A54, $AB90903B, $8388880B,
$CA46468C, $29EEEEC7, $D3B8B86B, $3C141428, $79DEDEA7, $E25E5EBC, $1D0B0B16, $76DBDBAD,
$3BE0E0DB, $56323264, $4E3A3A74, $1E0A0A14, $DB494992, $0A06060C, $6C242448, $E45C5CB8,
$5DC2C29F, $6ED3D3BD, $EFACAC43, $A66262C4, $A8919139, $A4959531, $37E4E4D3, $8B7979F2,
$32E7E7D5, $43C8C88B, $5937376E, $B76D6DDA, $8C8D8D01, $64D5D5B1, $D24E4E9C, $E0A9A949,
$B46C6CD8, $FA5656AC, $07F4F4F3, $25EAEACF, $AF6565CA, $8E7A7AF4, $E9AEAE47, $18080810,
$D5BABA6F, $887878F0, $6F25254A, $722E2E5C, $241C1C38, $F1A6A657, $C7B4B473, $51C6C697,
$23E8E8CB, $7CDDDDA1, $9C7474E8, $211F1F3E, $DD4B4B96, $DCBDBD61, $868B8B0D, $858A8A0F,
$907070E0, $423E3E7C, $C4B5B571, $AA6666CC, $D8484890, $05030306, $01F6F6F7, $120E0E1C,
$A36161C2, $5F35356A, $F95757AE, $D0B9B969, $91868617, $58C1C199, $271D1D3A, $B99E9E27,
$38E1E1D9, $13F8F8EB, $B398982B, $33111122, $BB6969D2, $70D9D9A9, $898E8E07, $A7949433,
$B69B9B2D, $221E1E3C, $92878715, $20E9E9C9, $49CECE87, $FF5555AA, $78282850, $7ADFDFA5,
$8F8C8C03, $F8A1A159, $80898909, $170D0D1A, $DABFBF65, $31E6E6D7, $C6424284, $B86868D0,
$C3414182, $B0999929, $772D2D5A, $110F0F1E, $CBB0B07B, $FC5454A8, $D6BBBB6D, $3A16162C
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